ratings -- for comparison i have used skyform and racingzone ratings which are both free
http://skychannel.com.au/tab/form/index.php
http://www.racingzone.com.au/

parameters: startingbank $100 -- betting 1 unit on each selection where 1unit = $5.00

Seymour 30-10-12

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Top selection
(1) skyform final bank $113 won R8 #7 paid $8.6 (R1 and R3 excluded insufficient horses rated)
(2) racingzone final bank $116.50 won R6 #3 paid $9.30 (R1and R3 excluded insufficient horses rated)
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Top 4 selections
(1) skyform final bank $131.50 level stakes
(2) racingzone final bank $133 level stakes
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i don't know how these ratings perform long term but in each case backing more than 1 runner in a race produced a better result
also, i'm inclined to think that dutch betting would be the way to go however, not with market prices -- you would have to produce your own priceline!

good luck!

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